Cephalopoda - Ammonoida - Spirolegoceratidae

Full reference: W. W. Nassichuk. 1970. Permian ammonoids from Devon and Melville Islands, Canadian Arctic Archipelago. Journal of Paleontology 44(1):77-97

Parent taxon: Spirolegoceratidae according to T. B. Leonova and O. P. Shilovsky 2014

See also Furnish et al. 2009

Sister taxon: Sverdrupitinae

Subtaxa: Archboldiceras Gobioceras Spirolegoceras

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Type: Spirolegoceras

Ecology: fast-moving nektonic carnivore

Distribution:

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